import java.util.Scanner;

public class Main {
    public static void main(String[]args) {
        Scanner scan = new Scanner(System.in);
        String password = scan.nextLine();
        int score = 0;
        int len = password.length();
        if(len <= 4){
            score += 5;
        }else if(len>4&&len<8){
            score += 10;
        }else{
            score += 25;
        }//字母
        i


    }
}
